| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 2a,3,4,5-四氢苯并[Cd]吲哚-2(1H)-酮 | tetrahydrobenzindole | 96933-21-0 | C11H11NO |
| 2a,3,4,5-四氢苊 | 1,2,2a,3,4,5-hexahydro-acenaphthylene | 480-72-8 | C12H14 |
| 2a,3,3a,5a,6,6a,6b,6c-八氢-二环戊烷并(cd,gh)并环戊二烯 | Dodecahydrodicyclopenta[cd,gh]pentalene | 60606-96-4 | C12H18 |
| 2a,2b,4a,4b-四氢-环丙并(cd)并环戊二烯 | semibullvalene | 6909-37-1 | C8H8 |
| 2a,2b,4a,4b-四氢-1-氮杂环丙烷[Cd]戊搭烯-2(1H)-酮 | 2a,2b,4a,4b-Tetrahydro-1H-1-aza-cyclopropa[cd]pentalen-2-one | 87986-10-5 | C7H7NO |
| 2`,4-二羟基-3`,4`,6`-三甲氧基查尔酮 | 2',4-hydroxy-3',4',6'-trimethoxychalcone | 69616-74-6 | C18H18O6 |
| 2`,3`-二氯-6`-氟苯乙酮 | 1-(2,3-Dichloro-6-fluorophenyl)ethanone | 870704-16-8 | C8H5Cl2FO |
| 2S,2'S)-2-(((2-氨基-6-氧代-1H-嘌呤-9(6H)-基)甲氧基)丙烷-1,3-二基双(2-((((苄氧基)羰基)氨基)-3-甲基丁酸) | CBZ-protected bis L-valyl ester of ganciclovir | 130914-77-1 | C35H43N7O10 |
| 2S-苄氧羰酰氨基-4-氧代-丁酸苄酯 | benzyl (2S)-2-{[(benzyloxy)carbonyl]amino}-4-oxobutanoate | 58578-45-3 | C19H19NO5 |
| 2S-氧氯吡格雷(盐酸盐) | 2-Oxoclopidogrel | 1147350-75-1 | C16H16ClNO3S |
| 2S-t-丁基二甲基硅烷基氧基-3R-(t-叔丁氧羰基)-氨基-1,4-二氯丁烷 | 2(S)-t-butyldimethylsilyloxy-3(R)-(t-butyloxycarbonyl)amino-1,4-dichlorobutane | 326480-00-6 | C15H31Cl2NO3Si |
| 2S-[2[1(R*),2R*,4R*],4]]-3-[4-叠氮-2-异丙基-1-氧代-4-[四氢-4-异丙基-5-氧代-2-呋喃基]丁基]-4-苄基-2-噁唑烷酮 | (S)-3-((2S,4S)-4-azido-2-isopropyl-4-((2S,4S)-4-isopropyl-5-oxotetrahydrofuran-2-yl)butanoyl)-4-benzyloxazolidin-2-one | 173154-01-3 | C24H32N4O5 |
| 2S-N-Cbz-高丝氨酸二环己胺盐 | dicyclohexylammonium (2S)-2-(benzyloxycarbonylamino)-4-hydroxybutyrate | 58578-43-1 | C12H15NO5*C12H23N |
| 2S,4S)-2-[5-[1,11-二氢-2-[(2S,5S)-1-[(2S)-2-[(甲氧羰基)氨基]-3-甲基-1-氧代丁基]-5-甲基-2-吡咯烷基][2]苯并吡喃并[4',3':6,7]萘并[1,2-d]咪唑-9-基]-1H-咪唑-2-基]-4-(甲氧基甲基)-1-吡咯烷羧酸叔丁酯 | tert-butyl (2S,4S)-2-[5-(2-{(2S,5S)-1-[N-(methoxycarbonyl)-L-valyl]-5-methylpyrrolidin-2-yl}-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl]-4-(methoxymethyl)pyrrolidine-1-carboxylate | 1378391-45-7 | C44H53N7O7 |
| 2S,3S-2-甲基-哌啶-3-甲酸 | (2S,3S)-2-methyl-piperidine-3-carboxylic acid | —— | C7H13NO2 |
| 2S,3S,5S-2-氨基-5-[N-[[(5-噻唑基)甲氧基]羰基]氨基]-1,6-二苯基-3-羟基己烷 | (2S,3S,5S)-2-amino-5-<N-<<(5-thiazolyl)methoxy>carbonyl>amino>-1,6-diphenyl-3-hydroxyhexane | 144164-10-3 | C23H27N3O3S |
| 2S,3R-双(羟甲基)哌啶 | 2S,3R-bis(hydroxymethyl)piperidine | 1034128-98-7 | C7H15NO2 |
| 2RS,4RS)-4-溴-2-(2,4-二氯苯基)四氢糠基)-1H-1,2,4-三唑 | Bromuconazole | 116255-48-2 | C13H12BrCl2N3O |
| 2R-羟基-4-甲基戊酰基-R-缬氨酸 | 2R-hydroxy-4-methylvaleryl-R-valine | 1133318-13-4 | C11H21NO4 |
| 2R-(t-叔丁氧羰基)氨基-1,4-二氯-3S-羟基丁烷 | 2(R)-((tert-butyloxycarbonyl)amino)-1,4-dichloro-3(S)-hydroxybutane | 326479-99-6 | C9H17Cl2NO3 |
| 2R)-2-叔丁氧基-4-(9-芴甲氧基)羧氨基丁酸 | 4-(9H-fluoren-9-ylmethoxycarbonylamino)-2-[(2-methylpropan-2-yl)oxy]butanoic acid | 905857-50-3 | C23H27NO5 |
| 2R)-(+)-3,3'-二苯基-[2,2'-联二萘]-1,1'-二醇 | (S)-vanol | 147702-14-5 | C32H22O2 |
| 2H,3H-七氟己酸 | 3-(Perfluoropropyl)-2-propenoic acid | 356-03-6 | C6H3F7O2 |
| 2H噻嗪 | 2H-1,2-thiazine | 289-85-0 | C4H5NS |
| 2H-螺[苯并呋喃-3,4-哌啶]-2-酮盐酸盐 | 2H-spiro[benzofuran-3,4’-piperidine]-2-one hydrochloride | 481001-07-4 | C12H13NO2*ClH |
| 2H-螺[环戊烷-1,4'-吡啶并[2,3-d][1,3]恶嗪]-2-酮 | spiro<cyclopentane-1,4'-1H-pyrido<2',3'-d><1',3'>oxazin>-2'-one | 122503-73-5 | C11H12N2O2 |
| 2H-螺[异喹啉-1,4’-哌啶]-3(4H)-酮 | 3-oxo-3,4-dihydrospiro<isoquinoline-1(2H),4'-piperidine> | 15142-87-7 | C13H16N2O |
| 2H-薁并[8,1-Cd][1,2]恶唑 | 1H-Azuleno[8,1-cd]isoxazole | 88859-25-0 | C10H7NO |
| 2H-薁并[1,8-Cd][1,2]恶唑 | 2H-Azuleno[1,8-cd]isoxazole(9CI) | 76758-84-4 | C10H7NO |
| 2H-萘并[8a,1-b]呋喃-2-酮,3,3a,4,5,6,6a,7,8-八氢-6,9-二甲基-3-亚甲基-,(3aS,6R,6aS,10aS)- | deoxyarteannuin B | 78092-22-5 | C15H20O2 |
| 2H-萘并[2,3-d]咪唑 | 2H-Naphtho[2,3-D]imidazole | 23636-21-7 | C11H8N2 |
| 2H-萘并[2,3-c][1,2]氧杂z乙基e | 2H-Naphtho[2,3-C][1,2]oxazete | 278-02-4 | C10H7NO |
| 2H-萘并[2,3-b]吡喃-5,10-二酮,3-乙基-2-甲基- | 3-Ethyl-2-methyl-2H-benzo[g]chromene-5,10-dione | 105438-05-9 | C16H14O3 |
| 2H-萘并[2,3-b]吡喃-5,10-二酮,2-[(3E)-4,8-二甲基-3,7-壬二烯基]-2-甲基- | 2-(4,8-dimethylnona-3,7-dienyl)-2-methyl-2H-benzo[g]chromene-5,10-dione | 114389-37-6 | C25H28O3 |
| 2H-萘并[2,1-c]吡喃-7-羧酸,2-(3-呋喃基)十二氢-6a,9-二羟基-10b-甲基-4,6-二羰基-,(2S,4aS,6aR,7R,9R,10aS,10bS)- | Diosbulbin J | 1187951-06-9 | C19H22O8 |
| 2H-萘并[1,8-cd]异噻唑-3,5-二磺酸 1,1-二氧化物 | 1,1-dioxo-2<i>H</i>-1λ<sup>6</sup>-naphth[1,8-<i>cd</i>]isothiazole-3,5-disulfonic acid | 82-65-5 | C10H7NO8S3 |
| 2H-萘并[1,8-bc]呋喃-2-酮 | 1,8-naphtholactone | 5247-85-8 | C11H6O2 |
| 2H-萘并[1,2-d]咪唑 | 2H-Naphtho[1,2-d]imidazole | 23636-20-6 | C11H8N2 |
| 2H-萘并[1,2-d]三唑,2-[4-[2-(4-氯苯基)乙烯基]苯基]- | 2-(4'-Chlorstilben-4-yl)-naphtho<1,2-d>-1,2,3-triazol | 14607-84-2 | C24H16ClN3 |
| 2H-萘并[1,2-b]吡喃-5,6-二酮,2,2-二甲基- | 3,4-dehydro-β-lapachone | 15297-93-5 | C15H12O3 |
| 2H-萘并[1,2-b]吡喃-2-酮,4-[(苯基甲氧基)甲基]- | 4-Benzyloxymethyl-benzo[h]chromen-2-one | 106237-07-4 | C21H16O3 |
| 2H-萘并[1,2-b]吡喃-2-酮,4-[(乙酰氧基)甲基]- | Acetic acid 2-oxo-2H-benzo[h]chromen-4-ylmethyl ester | 106236-96-8 | C16H12O4 |
| 2H-萘并[1,2-b]吡喃,6-乙氧基-3,4-二氢- | 6-Ethoxy-3,4-dihydro-2H-benzo[h]chromene | 139361-03-8 | C15H16O2 |
| 2H-茚并[5,6-d]噁唑-2,7(3H)-二酮,5,6-二氢-5-苯基- | 2,7-dioxo-5-phenylcyclopenta<f>-2,3-dihydro<1,3>benzoxazole | 140384-37-8 | C16H11NO3 |
| 2H-茚并[5,6-d]噁唑-2,7(3H)-二酮,5,6-二氢-5-甲基- | 5-Methyl-5,6-dihydro-3H-indeno[5,6-d]oxazole-2,7-dione | 140384-41-4 | C11H9NO3 |
| 2H-茚并[5,6-d][1,3]噻唑 | 2H-Indeno[5,6-D]thiazole | 78988-61-1 | C10H7NS |
| 2H-茚并[5,4-d][1,2]恶唑 | 2H-Indeno[5,4-D][1,2]oxazole | 415920-76-2 | C10H7NO |
| 2H-茚并[5,4-b]呋喃-7-甲腈,6-(3-氰基-1-甲基亚丙基)-2-乙氧基十氢-5a-甲基- | (3aR,5aS,8aS,8bS)-6-[3-Cyano-1-methyl-prop-(E)-ylidene]-2-ethoxy-5a-methyl-decahydro-indeno[5,4-b]furan-7-carbonitrile | 139599-56-7 | C20H28N2O2 |
| 2H-茚并[4,5-d][1,3]恶唑 | 2H-Indeno[4,5-D]oxazole | 138261-51-5 | C10H7NO |
| 2H-茚并[2,1-d][1,2]恶唑 | 2h-Indeno[2,1-d]isoxazole | 20562-59-8 | C10H7NO |